*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    :root {
      --navy:#0B1F3A; --teal:#0E7C86; --teal-lt:#13A8B4; --teal-pale:#E8F6F8;
      --white:#FFFFFF; --off-white:#F4F9FA; --gray:#6B7A8D; --gray-lt:#C9DDE0;
      --text:#1A2B3C; --radius:10px; --shadow:0 4px 24px rgba(11,31,58,.10);
    }
    html { scroll-behavior: smooth; }
    body { font-family:'DM Sans',sans-serif; background:var(--white); color:var(--text); line-height:1.7; font-size:16px; }

    /* TOP BAR */
    .top-bar, .topbar { background:var(--navy); padding:6px 4vw; display:flex; align-items:center; justify-content:space-between; font-size:.82rem; }
    .top-bar a, .topbar a { color:rgba(255,255,255,.72); text-decoration:none; transition:color .2s; }
    .top-bar a:hover, .topbar a:hover { color:var(--teal-lt); }
    .top-bar-left, .topbar-left { display:flex; gap:20px; align-items:center; color:rgba(255,255,255,.72); }
    .top-bar-right, .topbar-right { display:flex; gap:4px; align-items:center; }
    .topbar-item{display:inline-flex;align-items:center;gap:7px;padding:0 16px;color:rgba(255,255,255,.7);transition:color .2s}
    .topbar-item:first-child{padding-left:0}
    .topbar-item:hover{color:var(--teal-lt)}
    .topbar-divider{width:1px;height:14px;background:rgba(255,255,255,.18)}
    .phone-ring{display:inline-block;position:relative;animation:phone-shake .6s ease-in-out infinite}
    .phone-ring::before,.phone-ring::after{content:'';position:absolute;border-radius:50%;border:2px solid var(--teal-lt);opacity:0;top:50%;left:50%;transform:translate(-50%,-50%) scale(0)}
    .phone-ring::before{animation:sound-wave 1.4s ease-out .2s infinite}
    .phone-ring::after{animation:sound-wave 1.4s ease-out .7s infinite}
    @keyframes phone-shake{0%,100%{transform:rotate(0deg)}15%{transform:rotate(-15deg)}30%{transform:rotate(12deg)}45%{transform:rotate(-10deg)}60%{transform:rotate(8deg)}75%{transform:rotate(-5deg)}90%{transform:rotate(3deg)}}
    @keyframes sound-wave{0%{width:10px;height:10px;opacity:.8;transform:translate(-50%,-50%) scale(0)}100%{width:40px;height:40px;opacity:0;transform:translate(-50%,-50%) scale(1)}}

    /* ── HEADER / NAV ─────────── */
    .header-wrap{position:sticky;top:0;z-index:1000;background:var(--navy);}
    header{background:#fff;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(11,31,58,.08);margin:0;border-radius:0}
    .header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 5%}
    .logo{display:flex;align-items:center;gap:10px;font-family:'DM Serif Display',serif;font-size:1.3rem;color:var(--navy)}
    .logo img{height:62px;width:auto;cursor:pointer;}
    .logo-mark{width:38px;height:38px;background:var(--teal);border-radius:8px;display:flex;align-items:center;justify-content:center;color:white;font-family:'DM Serif Display',serif;font-size:1.1rem;flex-shrink:0}
    .logo span{font-size:.72rem;font-family:'DM Sans',sans-serif;font-weight:500;color:var(--gray);display:block;letter-spacing:.05em;text-transform:uppercase}
    nav{display:flex;align-items:center;gap:0}
    .nav-item{position:relative}
    .nav-link{padding:10px 16px;font-size:.88rem;font-weight:500;color:var(--navy);display:block;transition:color .2s;white-space:nowrap;text-decoration:none;}
    .nav-link:hover,.nav-link.active{color:var(--teal)}
    .nav-link.active{position:relative;}
    .nav-link.active::after{content:'';position:absolute;bottom:0;left:16px;right:16px;height:2px;background:var(--teal);border-radius:2px}
    .dropdown{position:absolute;top:100%;left:0;background:var(--white);border:1px solid var(--gray-lt);border-radius:8px;box-shadow:0 8px 32px rgba(11,31,58,.12);min-width:240px;opacity:0;pointer-events:none;transform:translateY(8px);transition:all .2s;z-index:100}
    .nav-item:hover .dropdown{opacity:1;pointer-events:all;transform:translateY(0)}
    .dropdown a{display:block;padding:10px 18px;font-size:.86rem;color:var(--navy);border-bottom:1px solid var(--gray-lt);transition:background .15s,color .15s;text-decoration:none;}
    .dropdown a:last-child{border-bottom:none}
    .dropdown a:hover{background:var(--teal-pale);color:var(--teal)}
    .dropdown a.active-sub{color:var(--teal);font-weight:600;background:var(--teal-pale);}
    .header-cta{margin-left:12px}
    .btn-request{background:var(--teal);color:var(--white);padding:12px 24px;border-radius:8px;font-weight:600;font-size:.92rem;text-decoration:none;transition:background .2s,transform .15s;white-space:nowrap;flex-shrink:0;}
    .btn-request:hover{background:var(--teal-lt);transform:translateY(-1px);}
    .hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px}
    .hamburger span{display:block;width:22px;height:2px;background:var(--navy);border-radius:2px;transition:all .3s}

    /* BREADCRUMB */
    .breadcrumb-bar { background:var(--off-white); border-bottom:1px solid var(--gray-lt); padding:10px 5vw; font-size:.82rem; color:var(--gray); }
    .breadcrumb-bar .container { display:flex; align-items:center; gap:6px; }
    .breadcrumb-bar a { color:var(--teal); text-decoration:none; }
    .breadcrumb-bar a:hover { text-decoration:underline; }

    /* PAGE HERO */
    .page-hero { background:linear-gradient(rgba(11,31,58,.88),rgba(11,31,58,.94)),url('../../../images/bis-hero.png') center/cover no-repeat; padding:52px 5vw 46px; position:relative; overflow:hidden; }
    .page-hero::before { content:''; position:absolute; inset:0; background:radial-gradient(ellipse 60% 80% at 85% 50%,rgba(14,124,134,.12) 0%,transparent 65%); pointer-events:none; }
    .page-hero-inner { max-width:1200px; margin:0 auto; display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
    .page-hero-eyebrow { font-size:.74rem; letter-spacing:.14em; text-transform:uppercase; color:var(--teal-lt); font-weight:500; margin-bottom:14px; display:flex; align-items:center; gap:10px; }
    .page-hero-eyebrow::before { content:''; display:inline-block; width:28px; height:2px; background:var(--teal-lt); }
    .page-hero h1 { font-family:'DM Serif Display',serif; font-size:clamp(2rem,4vw,3rem); color:var(--white); line-height:1.18; margin-bottom:10px; }
    .page-hero h1 em { color:var(--teal-lt); font-style:normal; }
    .page-hero-tagline { font-size:1rem; font-weight:600; color:var(--teal-lt); margin-bottom:16px; }
    .page-hero p { color:rgba(255,255,255,.7); font-size:.97rem; max-width:500px; margin-bottom:32px; line-height:1.75; }
    .hero-actions { display:flex; gap:14px; flex-wrap:wrap; }
    .btn-white { background:var(--white); color:var(--teal); padding:12px 26px; border-radius:8px; font-weight:600; font-size:.92rem; text-decoration:none; display:inline-block; transition:background .2s,transform .15s; }
    .btn-white:hover { background:var(--teal-pale); transform:translateY(-1px); }
    .btn-outline-white { border:1.5px solid rgba(255,255,255,.35); color:rgba(255,255,255,.85); padding:12px 26px; border-radius:8px; font-size:.92rem; text-decoration:none; display:inline-block; transition:border-color .2s,color .2s; }
    .btn-outline-white:hover { border-color:var(--teal-lt); color:var(--teal-lt); }
    .hero-stats { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
    .stat-card { background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.12); border-radius:var(--radius); padding:22px 24px; }
    .stat-card .num { font-family:'DM Serif Display',serif; font-size:2.2rem; color:var(--teal-lt); line-height:1; }
    .stat-card .lbl { font-size:.77rem; color:rgba(255,255,255,.5); margin-top:6px; letter-spacing:.05em; text-transform:uppercase; }

    /* SECTIONS */
    section { padding:72px 5vw; }
    .container { max-width:1200px; margin:0 auto; }
    .section-eyebrow { font-size:.74rem; letter-spacing:.14em; text-transform:uppercase; color:var(--teal); font-weight:500; margin-bottom:10px; }
    .section-title { font-family:'DM Serif Display',serif; font-size:clamp(1.6rem,2.8vw,2.3rem); color:var(--navy); line-height:1.25; margin-bottom:12px; }
    .section-sub { color:var(--gray); max-width:580px; margin-bottom:48px; font-size:.97rem; }

    /* SERVICES */
    #services { background:var(--off-white); }
    .services-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
    .service-card { background:var(--white); border-radius:14px; padding:30px 26px; border:1px solid var(--gray-lt); box-shadow:var(--shadow); transition:transform .22s,box-shadow .22s; position:relative; overflow:hidden; }
    .service-card::after { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg,var(--teal),var(--teal-lt)); opacity:0; transition:opacity .22s; }
    .service-card:hover { transform:translateY(-4px); box-shadow:0 12px 40px rgba(11,31,58,.13); }
    .service-card:hover::after { opacity:1; }
    .svc-icon { width:50px; height:50px; background:var(--teal-pale); border-radius:12px; display:flex; align-items:center; justify-content:center; margin-bottom:18px; }
    .svc-icon svg { width:24px; height:24px; }
    .service-card h3 { font-size:1.05rem; font-weight:600; color:var(--navy); margin-bottom:8px; }
    .service-card p { font-size:.9rem; color:var(--gray); line-height:1.65; }
    .svc-tags { display:flex; flex-wrap:wrap; gap:6px; margin-top:14px; }
    .svc-tag { font-size:.72rem; background:var(--teal-pale); color:var(--teal); border-radius:20px; padding:3px 10px; font-weight:500; }

    /* TRAINING BAND */
    .training-band { background:var(--navy); padding:72px 5vw; }
    .training-band-inner { max-width:1200px; margin:0 auto; display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
    .training-band .section-eyebrow { color:var(--teal-lt); }
    .training-band .section-title { color:var(--white); margin-bottom:10px; }
    .training-band .section-title em { color:var(--teal-lt); font-style:normal; }
    .training-band .section-sub { color:rgba(255,255,255,.65); margin-bottom:0; }
    .training-points { list-style:none; margin-top:24px; display:flex; flex-direction:column; gap:11px; }
    .training-points li { display:flex; align-items:flex-start; gap:12px; color:rgba(255,255,255,.8); font-size:.93rem; }
    .training-points li::before { content:'✓'; color:var(--teal-lt); font-weight:700; flex-shrink:0; }
    .training-cta { margin-top:32px; }
    .info-card { background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12); border-radius:14px; padding:36px; }
    .info-card p { color:rgba(255,255,255,.72); font-size:.95rem; line-height:1.8; margin-bottom:26px; }

    /* PROCESS */
    #process { background:var(--white); }
    .process-steps { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); position:relative; }
    .process-steps::before { content:''; position:absolute; top:34px; left:10%; right:10%; height:2px; background:linear-gradient(90deg,var(--teal),var(--teal-lt)); }
    .step { text-align:center; padding:0 16px; position:relative; }
    .step-num { width:68px; height:68px; border-radius:50%; background:var(--navy); color:var(--white); font-family:'DM Serif Display',serif; font-size:1.4rem; display:flex; align-items:center; justify-content:center; margin:0 auto 18px; border:3px solid var(--teal-lt); position:relative; z-index:1; }
    .step h4 { font-size:.97rem; font-weight:600; color:var(--navy); margin-bottom:6px; }
    .step p { font-size:.85rem; color:var(--gray); }

    /* EQUIPMENT */
    #equipment { background:var(--navy); }
    #equipment .section-title { color:var(--white); }
    #equipment .section-sub { color:rgba(255,255,255,.58); }
    #equipment .section-eyebrow { color:var(--teal-lt); }
    .eq-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(210px,1fr)); gap:14px; }
    .eq-item { background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.1); border-radius:var(--radius); padding:18px 20px; display:flex; align-items:center; gap:12px; transition:background .2s; }
    .eq-item:hover { background:rgba(14,124,134,.15); border-color:rgba(19,168,180,.35); }
    .eq-dot { width:9px; height:9px; border-radius:50%; background:var(--teal-lt); flex-shrink:0; }
    .eq-item span { color:rgba(255,255,255,.8); font-size:.9rem; }

    /* WHY US */
    #why { background:var(--off-white); }
    .why-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; margin-bottom:40px; }
    .why-item { background:var(--white); border-radius:12px; padding:26px 22px; border:1px solid var(--gray-lt); display:flex; align-items:flex-start; gap:14px; box-shadow:var(--shadow); }
    .why-check { width:34px; height:34px; background:var(--teal-pale); border-radius:50%; display:flex; align-items:center; justify-content:center; flex-shrink:0; color:var(--teal); font-weight:700; font-size:.95rem; }
    .why-item p { font-size:.9rem; color:var(--text); line-height:1.6; }
    .why-cta { text-align:center; padding:38px 24px; background:var(--white); border-radius:14px; border:1px solid var(--gray-lt); box-shadow:var(--shadow); }
    .why-cta p { font-size:.97rem; color:var(--gray); max-width:540px; margin:0 auto 22px; }

    /* CTA */
    .cta-band { background:linear-gradient(135deg,var(--teal),var(--teal-lt)); padding:64px 5vw; text-align:center; }
    .cta-band h2 { font-family:'DM Serif Display',serif; font-size:clamp(1.5rem,2.8vw,2.1rem); color:var(--white); margin-bottom:12px; }
    .cta-band p { color:rgba(255,255,255,.85); max-width:480px; margin:0 auto 28px; }

    /* FOOTER */
    footer { background:var(--navy); color:rgba(255,255,255,.42); text-align:center; padding:26px 5vw; font-size:.82rem; }
    footer a { color:var(--teal-lt); text-decoration:none; }

    @media(max-width:900px) { .page-hero-inner,.training-band-inner { grid-template-columns:1fr; gap:40px; } .hero-stats { grid-template-columns:1fr 1fr; } .process-steps::before { display:none; } }
    @media(max-width:768px) { header { height:auto; padding:14px 5vw; flex-wrap:wrap; gap:12px; } #main-nav { flex-wrap:wrap; } }
  
    .svc-card-cta{display:inline-flex;align-items:center;gap:6px;margin-top:18px;padding:10px 18px;color:#0E7C86;border:1.5px solid rgba(14,124,134,.35);border-radius:8px;font-size:.82rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;text-decoration:none;transition:all .18s;background:#fff}
    .svc-card-cta:hover{background:linear-gradient(135deg,#0E7C86,#13A8B4);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(14,124,134,.28);transform:translateY(-1px)}
    .svc-card-cta span{font-size:1rem;transition:transform .18s}
    .svc-card-cta:hover span{transform:translateX(3px)}
  [hidden]{display:none!important}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}